https://bugs.llvm.org/show_bug.cgi?id=40956
Bug ID: 40956
Summary: Inline Assembly requires more registers (x86)
Product: libraries
Version: 8.0
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: cmucchie...@wallix.com
CC: craig.top...@gmail.com, llvm-bugs@lists.llvm.org,
llvm-...@redking.me.uk, spatel+l...@rotateright.com
Created attachment 21561
--> https://bugs.llvm.org/attachment.cgi?id=21561&action=edit
Failure in inline compilation
I have an error while compilingC with inline assembly on x86 32bits with a code
that use 5 registers, I have the following error:
error: inline assembly requires more registers than available at line XXXXX
I have reduced the problem to this specific code (see attached IR file). With
this code, the error is always triggered. By moving the line
%9 = alloca i32, align 4
before the branch instruction, the code compile without errors. By moving the
line
%8 = alloca i32, align 4
the error is displayed 2 times.
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